[    1.693649] ip (267) used greatest stack depth: 12392 bytes left
[    1.841199] ip (285) used greatest stack depth: 12232 bytes left
[    1.913172] ip (294) used greatest stack depth: 12200 bytes left
[   50.207698] netem: version 1.3
[  251.283216] sched: DL replenish lagged too much
[  570.294306] tc (16941) used greatest stack depth: 11856 bytes left
[  628.762026] pm_nl_ctl (20240) used greatest stack depth: 11800 bytes left